logmngr: multiple fixes

- Fix regression in generating log-rotate policy
- Fix logread output in case of file rotation

logmngr/Makefile

@@ -5,7 +5,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=logmngr
-PKG_VERSION:=1.0.13
+PKG_VERSION:=1.0.14
 
 LOCAL_DEV:=0
 ifneq ($(LOCAL_DEV),1)

logmngr/files/10-logmngr_config_generate

@@ -1,13 +1,12 @@
 #!/bin/sh
 
-if [ -s "/etc/config/logmngr" ]; then
-	if uci -q get logmngr.@globals[0] >/dev/null; then
-		# return if there is any valid content
-		exit
-	else
-		rm -f /etc/config/logmngr
-	fi
+if uci -q get logmngr.@globals[0] >/dev/null; then
+	# return if there is any valid content
+	exit 0
+else
+	rm -f /etc/config/logmngr
 fi
+
 touch /etc/config/logmngr
 
 uci set logmngr.globals=globals

logmngr/files/11-logmngr_logrotate_config_generate

@@ -1,13 +1,13 @@
 #!/bin/sh
 
-if [ -s "/etc/config/logmngr" ]; then
-	if uci -q get logmngr.@log_rotate[0] >/dev/null; then
-		# return if there is any valid content
-		exit
-	fi
-	uci set logmngr.lro1=log_rotate
-	uci set logmngr.lro1.enable=1
-	uci set logmngr.lro1.file_name="/var/log/messages"
-	uci set logmngr.lro1.file_count=1
-	uci set logmngr.lro1.max_file_size=1000000
+# Adds a default log rotate policy if none exists
+if uci -q get logmngr.@log_rotate[0] >/dev/null; then
+	# return if there is any valid content
+	exit 0
 fi
+
+uci set logmngr.lro1=log_rotate
+uci set logmngr.lro1.enable=1
+uci set logmngr.lro1.file_name="/var/log/messages"
+uci set logmngr.lro1.file_count=1
+uci set logmngr.lro1.max_file_size=1000000

logmngr/files/logread

@@ -89,13 +89,13 @@ else
 				exit 0
 				;;
 			-f)
-				tail -f "${logfile}"
+				tail -F "${logfile}"
 				exit 0
 				;;
 			-fe)
 				shift
 				pattern="${1}"
-				tail -f "${logfile}" | grep -E "${pattern}"
+				tail -F "${logfile}" | grep -E "${pattern}"
 				exit 0
 				;;
 			-h|*)